46452421 has 8 divisors (see below), whose sum is σ = 47108600. Its totient is φ = 45800640.

The previous prime is 46452407. The next prime is 46452443. The reversal of 46452421 is 12425464.

46452421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6320196 + 40132225 = 2514^2 + 6335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46452421 is a prime.

It is a super-2 number, since 2×46452421² = 4315654833522482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46452421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46452401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24031 + ... + 25891.

It is an arithmetic number, because the mean of its divisors is an integer number (5888575).

Almost surely, 2^46452421 is an apocalyptic number.

It is an amenable number.

46452421 is a deficient number, since it is larger than the sum of its proper divisors (656179).

46452421 is a wasteful number, since it uses less digits than its factorization.

46452421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199.

The product of its digits is 7680, while the sum is 28.

The square root of 46452421 is about 6815.6012940899. The cubic root of 46452421 is about 359.4756280374.

Adding to 46452421 its reverse (12425464), we get a palindrome (58877885).

The spelling of 46452421 in words is "forty-six million, four hundred fifty-two thousand, four hundred twenty-one".